Traceback "dasbus.error.DBusError: 'NoneType' object has no attribute 'set_property'" when configuring a bond on the kernel command line

Solution Verified - Updated -


  • When installing a RHEL 8.3 system through the network and configuring the boot network interfaces using bonding, the following traceback is seen:

    anaconda for Red Hat Enterprise Linux 8.3 started.
     * installation log files are stored in /tmp during the installation
     * shell is available on TTY2
     * if the graphical installation interface fails to start, try again with the
       inst.text bootoption to start text installation
     * when reporting a bug add logs from /tmp as separate text/plain attachments
    Traceback (most recent call last):
      File "/sbin/anaconda", line 555, in <module>
      File "/usr/lib64/python3.6/site-packages/pyanaconda/", line 290, in
      File "/usr/lib64/python3.6/site-packages/pyanaconda/", line 268, in
      File "/usr/lib64/python3.6/site-packages/pyanaconda/modules/common/task/", line 46, in sync_run_task
      File "/usr/lib/python3.6/site-packages/dasbus/client/", line 447, in _call_method
      File "/usr/lib/python3.6/site-packages/dasbus/client/", line 477, in _get_method_reply
        return self._handle_method_error(error)                                    
      File "/usr/lib/python3.6/site-packages/dasbus/client/", line 497, in _handle_method_error
        raise exception from None
    dasbus.error.DBusError: 'NoneType' object has no attribute 'set_property'
  • The issue doesn't happen when installing a RHEL 8.2 system


  • Red Hat Enterprise Linux 8.3
    • anaconda
    • bonding

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